prepare_command_options

# File activerecord/lib/active_record/tasks/mysql_database_tasks.rb, line 132
      def prepare_command_options(command)
        args = [command]
        args.concat(['--user', configuration['username']]) if configuration['username']
        args << "--password=#{configuration['password']}"  if configuration['password']
        args.concat(['--default-character-set', configuration['encoding']]) if configuration['encoding']
        configuration.slice('host', 'port', 'socket').each do |k, v|
          args.concat([ "--#{k}", v.to_s ]) if v
        end

        args
      end